Pesticide residues in agricultural produce of Slovene origin in the period from 2001 to 2005

Baša Česnik, H. and Gregorčič, A. and Velikonja Bolta, Š. and Kmecl, V. (2007) Pesticide residues in agricultural produce of Slovene origin in the period from 2001 to 2005. Acta Alimentaria, 36 (2). pp. 269-282. ISSN 0139-3006

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Abstract

Analyses of 777 samples of cereals (barley, wheat), fruit (apple, grape, pear, strawberry) and vegetables (carrot, cauliflower, cucumber, head cabbage, lettuce, pepper, potato, spinach, string beans, tomato) of Slovene origin were made during the period from 2001 to 2005 at the Agricultural Institute of Slovenia. No detectable residues were found in 58.3% of the samples, in 35.3% of analysed samples residues were equal to the MRL or below it, and in 6.4% (2005) and 12.9% (2004), all samples exceeded their respective MRL. Dithiocarbamates were the most frequently found active substance in cereals, fruit and vegetables. Their most frequently determined concentration level for fruit (36.6%) and vegetables (45.6%) was <0.5 mg kg−1. Residues that were <10% of MRL were found in 60.2% of all samples. The values exceeding MRL were mainly due to dithiocarbamates found in potato (4.6%), meaning that their proper use may be questionable. In apples, grapes and pears more than 70% of tested samples contained residues of different pesticides. The number of samples containing multiple residues was 134 (17.2%). Produces, which contained 5 or more pesticide residues, were apples, pears and strawberries. The maximum number of active substances found in one apple sample was eight.

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